SEPTEMBER 15, 2026
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Case File

CVE-2026-58086

HIGH · CVSS 8.1 EPSS 0.26%

Source: NVD + CISA KEV + EPSS · Published 2026-08-19 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

A vulnerability exists that affects the ability of jailed root users to utilize the ktrace system for process tracing, as their permissions are inadvertently restricted due to an unrelated code change. This flaw allows unprivileged users within the jail to manipulate the ktrace flags of the jailed root user, potentially leading to unauthorized debugging capabilities and a lack of reliable process monitoring. Organizations utilizing jailed environments should prioritize addressing this issue to maintain the integrity and security of their process tracing mechanisms.

CVE
CVE-2026-58086
Severity
HIGH
CVSS
8.1
EPSS
0.26%

Original NVD Description

As an inadvertent side effect of an unrelated code change, PRIV_KTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged. An unprivileged user in a jail that has permission to debug the target process can modify the jailed root user's ktrace(2) flags, or disable tracing outright. A jailed root user therefore cannot reliably trace unprivileged processes.

Related CVEs

Other vulnerabilities affecting the same vendor(s)